« previous next »

Author Question: An electron is placed in a constant electric field of 4.5 104 N/C. (a) What is the force on the ... (Read 87 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 29, 2018
An electron is placed in a constant electric field of 4.5  104 N/C.
 
  (a) What is the force on the electron?
  (b) If the electron is released from rest, what is its speed after 3.0 ps?

Question 2

Two large parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6  106 N/C.
 
  (a) What is the charge density on each plate?
  (b) If the very large charged plates are moved 2 times farther apart, what is the electric field between the plates now?


triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 7.2  10-15 N opposite the field
(b) 24. km/s

Answer to Question 2

(a)  67. C/m2
(b) 7.6  106 N/C, unchanged


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Visual Field Defects Visual Field Defects
A Toyota/Lexus hybrid electric vehicle has a ready light. If the ready light is on, the engine can ... A Toyota/Lexus hybrid electric vehicle has a ready light. If the ready light is on, the engine can ...
Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ... Hall-effect switches use metallic shutters to shunt magnetic lines of force away from a silicon ...
Color-enhanced electron micrograph of E. coli undergoing cell division Color-enhanced electron micrograph of E. coli undergoing cell division
electron affinity electron affinity
An electron micrograph of a synapse between two nerve cells. An electron micrograph of a synapse between two nerve cells.
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library